Current State of Charge

The battery management system displays the current state of charge of the battery (SOC) as the parameter Current battery state of charge and the estimated error of the state of charge as the parameter Fault battery state of charge.

The estimated error of the state of charge provides information regarding the accuracy of the currently calculated battery state of charge. The estimated error is at its lowest immediately after a full charge or equalization charge and then increases over time until the next completed full charge or equalization charge.